216966910

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{86441}}^1$

素因数の和:86699

約数の個数: 16

約数和(自身を含む): 392100912

約数和(自身を除く): 175134002

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 86441, 172882, 432205, 864410, 21696691, 43393382, 108483455, 216966910]

約数ペア:

[(1, 216966910), (2, 108483455), (5, 43393382), (10, 21696691), (251, 864410), (502, 432205), (1255, 172882), (2510, 86441)]